SIG Scalability Meeting for 2026-01-29
Source: YouTube · Kubernetes · published Feb 3, 2026 · 47:07
Cube burner is an open-source, YAML-driven tool for performance and scale testing of Kubernetes clusters, enabling users to simulate workloads and measure cluster behavior under stress. It supports customizable configurations, runtime measurements, and observability via Prometheus with alerting and data indexing to Elasticsearch or local storage.
Key Takeaways:
• Cube burner uses YAML to define workloads with CRUD operations, scale parameters, and metrics collection 4:14.
• It captures runtime metrics (e.g., pod and service latencies) and integrates with Prometheus for observability, supporting alerts and data indexing to Elasticsearch or local storage 6:48.
• Go templating enables dynamic workload generation and customization of metrics and job types, improving flexibility 12:24.
• The tool helps identify capacity limits, detect regressions, and provide performance insights for developers and cluster admins 5:00.
Cube burner is in CNCF Sandbox with active community contributions and is being considered as a potential replacement or complement to Cluster Loader 2.
Sources:
- 2:42 Introduction to Cube burner as a Kubernetes scale testing tool.
- 4:14 Overview of YAML-based workload configuration and operations.
- 6:48 Details on runtime measurements, Prometheus integration, and alerting.
- 12:24 Discussion of Go templating and workload customization.
- 5:00 Use cases for capacity analysis and performance benchmarking.
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First 800 characters of the transcript
Okay. Is it showing recording, right? It's showing recording. >> Yeah, the recording is up. >> Okay, cool. Um, let let's get started. Um hi uh good morning, good evening, uh good afternoon depending on on where you are. So this is the um six scalability meeting on January 29th. Um so um I'm David so I'm going to run the uh meeting today. Um so today we have uh looks like we have one item to talk about which from uh Wishnu. Uh so he will talk about cube burner and uh maybe also show us a demo. Um yeah Vishnu are you ready to take over the screen share? >> Yeah thanks David. Um let me share my screen. One second. I hope everybody is able to see the screen now. >> Yeah, we can see your screen. >> Yeah. So, hello everyone. Um, I'm Vishnu. I'm from Red Hat. Um, yeah. Today here uh I'm here in t…